"""
Case Type   : 发布订阅
Case Name   : 发布订阅过程阻塞数据库进程再恢复
Create At   : 2022-11-11
Owner       : peilinqian
Description :
    1.两个集群创建表
    2.创建发布订阅
    3.发布端更新数据
    4.发布端更新数据过程中Kill –STOP 发布端数据库进程,5分钟后发布端恢复进程
    5.订阅端查询数据是否更新
    6.发布端更新数据
    7.发布端更新数据过程中Kill –STOP 订阅端数据库进程,5分钟后订阅端恢复进程
    8.订阅端查询数据是否更新
    9.清理环境
Expect      :
    1.成功
    2.成功
    3.业务阻塞
    4.成功
    5.数据更新
    6.成功
    7.成功
    8.数据更新
    9.成功
History     : 
"""

import os
import time
import unittest
from yat.test import Node
from yat.test import macro
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.ComThread import ComThread

Primary_SH = CommonSH('PrimaryDbUser')


@unittest.skipIf(3 != Primary_SH.get_node_num(), '非1+2环境不执行')
class Pubsubclass(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info("-----------this is setup-----------")
        self.log.info(f"-----{os.path.basename(__file__)} start-----")
        self.pri_userdb_pub = Node(node='PrimaryDbUser')
        self.pri_userdb_sub = Node(node='remote_PrimaryDbUser')
        self.constant = Constant()
        self.commsh_pub = CommonSH('PrimaryDbUser')
        self.commsh_sub = CommonSH('remote_PrimaryDbUser')
        self.com_pub = Common()
        self.com_sub = Common('remote_PrimaryDbUser')
        self.tb_name = 't_pub_sub_reliability_0005'
        self.subname = "s_pub_sub_reliability_0005"
        self.pubname = "p_pub_sub_reliability_0005"
        self.parent_path_pub = os.path.dirname(macro.DB_INSTANCE_PATH)
        self.parent_path_sub = os.path.dirname(macro.DB_INSTANCE_PATH_REMOTE)
        self.port = str(int(self.pri_userdb_pub.db_port) + 1)
        result = self.commsh_pub.executDbSql("show wal_level;")
        self.wal_level = str(result.splitlines()[-2]).strip()
        self.user_param_pub = f'-U {self.pri_userdb_pub.db_user} ' \
            f'-W {self.pri_userdb_pub.db_password}'
        self.user_param_sub = f'-U {self.pri_userdb_sub.db_user} ' \
            f'-W {self.pri_userdb_sub.db_password}'
        cmd = f"cp " \
            f"{os.path.join(macro.DB_INSTANCE_PATH, 'pg_hba.conf')} " \
            f"{os.path.join(self.parent_path_pub, 'pg_hba.conf')};"
        self.log.info(cmd)
        result = self.pri_userdb_pub.sh(cmd).result()
        self.log.info(result)
        cmd = f"cp " \
            f"{os.path.join(macro.DB_INSTANCE_PATH_REMOTE, 'pg_hba.conf')}" \
            f" {os.path.join(self.parent_path_sub, 'pg_hba.conf')};"
        self.log.info(cmd)
        result = self.pri_userdb_sub.sh(cmd).result()
        self.log.info(result)
        self.hostname = self.pri_userdb_sub.sh('hostname').result().strip()
        text = "--step:预置条件,修改pg_hba expect:成功"
        self.log.info(text)
        guc_res = self.commsh_pub.executeGsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, '',
            f'host    replication  {self.pri_userdb_sub.db_user} '
            f'{self.pri_userdb_sub.db_host}/32 sha256')
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        guc_res = self.commsh_pub.executeGsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, '',
            f'host    all  {self.pri_userdb_sub.db_user} '
            f'{self.pri_userdb_sub.db_host}/32 sha256')
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        result = self.commsh_pub.executeGsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG, 'wal_level=logical')
        self.assertTrue(result, '执行失败' + text)
        pub_result = self.commsh_pub.stopDbCluster(get_detail=True)
        pub_result1 = self.commsh_pub.startDbCluster(get_detail=True)
        self.assertTrue(pub_result, '执行失败' + text)
        flg = self.constant.START_SUCCESS_MSG in pub_result1 or 'Degrade' in \
              pub_result1
        self.assertTrue(flg, '执行失败' + text)
        guc_res = self.commsh_sub.executeGsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, macro.DB_INSTANCE_PATH_REMOTE,
            f'host    replication  {self.pri_userdb_pub.db_user} '
            f'{self.pri_userdb_pub.db_host}/32 sha256',
            macro.DB_ENV_PATH_REMOTE)
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        guc_res = self.commsh_sub.executeGsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, macro.DB_INSTANCE_PATH_REMOTE,
            f'host all  {self.pri_userdb_pub.db_user} '
            f'{self.pri_userdb_pub.db_host}/32 sha256',
            macro.DB_ENV_PATH_REMOTE)
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)

    def test_pub_sub(self):
        text = "--step1:在两个集群创建表 expect:成功--"
        self.log.info(text)
        sql_cmd = f"drop table if exists {self.tb_name};" \
            f"create table {self.tb_name}(c_int int primary key,c_text text);"
        pub_result = self.commsh_pub.executDbSql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(pub_result)
        self.assertEqual(pub_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         2, '执行失败' + text)
        sub_result = self.commsh_sub.executDbSql(
            sql_cmd, self.user_param_sub, None,
            env_path=macro.DB_ENV_PATH_REMOTE)
        self.log.info(sub_result)
        self.assertEqual(sub_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         2, '执行失败' + text)

        text = "--step2:创建发布订阅 expect:成功--"
        self.log.info(text)
        sql_cmd = f"drop publication if exists {self.pubname};" \
            f"create publication {self.pubname} for all tables;"
        pub_result = self.commsh_pub.executDbSql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(pub_result)
        self.assertIn(self.constant.create_pub_succ_msg, pub_result,
                      '执行失败' + text)
        result = self.commsh_sub.execute_generate(
            macro.COMMON_PASSWD, env_path=macro.DB_ENV_PATH_REMOTE)
        self.assertIn(self.constant.create_keycipher_success, result,
                      '执行失败' + text)
        sql_cmd = f"drop subscription if exists {self.subname};" \
            f"create subscription {self.subname} connection " \
            f"'host={self.pri_userdb_pub.db_host} " \
            f"port={self.port} user={self.pri_userdb_pub.db_user} " \
            f"dbname={self.pri_userdb_pub.db_name} " \
            f"password={self.pri_userdb_pub.ssh_password}' publication " \
            f"{self.pubname};"
        sub_result = self.commsh_sub.executDbSql(
            sql_cmd, self.user_param_sub, None,
            env_path=macro.DB_ENV_PATH_REMOTE)
        self.log.info(sub_result)
        self.assertIn(self.constant.create_sub_succ_msg, sub_result, '执行失败'
                      + text)

        text = "--step3:发布端更新数据 expect:成功--"
        self.log.info(text)
        sql_cmd = f"insert into {self.tb_name}(c_int) values" \
            f"(generate_series(1,40000));"
        pub_thread = ComThread(self.commsh_pub.executDbSql, args=(sql_cmd,))
        pub_thread.setDaemon(True)

        text = "--step4:发布端更新数据过程中Kill –STOP发布端数据库进程," \
               "5分钟后发布端恢复进程 expect:成功--"
        self.log.info(text)
        kill_thread = ComThread(self.com_pub.kill_pid,
                                args=(self.pri_userdb_pub, 'STOP',))
        kill_thread.setDaemon(True)

        start_thread = ComThread(self.com_pub.kill_pid,
                                 args=(self.pri_userdb_pub, 'CONT',))
        start_thread.setDaemon(True)
        pub_thread.start()
        pub_thread.join(60)
        kill_thread.start()
        kill_thread.join(40)
        time.sleep(300)
        start_thread.start()
        start_thread.join(30)
        pub_result = pub_thread.get_result()
        self.log.info(pub_result)
        pub_result1 = kill_thread.get_result()
        self.log.info(pub_result1)
        pub_result2 = start_thread.get_result()
        self.log.info(pub_result2)
        self.assertIn(self.constant.insert_success_msg, pub_result, '执行失败'
                      + text)
        self.assertEqual("", pub_result1, '执行失败' + text)
        self.assertEqual("", pub_result2, '执行失败' + text)

        pub_result = self.commsh_pub.getDbClusterStatus('detail')
        self.log.info(pub_result)
        self.assertEqual(pub_result.count('Normal'), 4, '执行失败' + text)

        text = "--step5:订阅端查询数据是否更新 expect:数据更新--"
        self.log.info(text)
        sub_result = self.commsh_sub.executDbSql(
            f'''select count(*) from {self.tb_name};''',
            self.user_param_sub, None, env_path=macro.DB_ENV_PATH_REMOTE)
        self.assertEqual(str(sub_result.splitlines()[-2]).strip(), '40000',
                         '执行失败' + text)

        text = "--step6:发布端更新数据 expect:成功--"
        self.log.info(text)
        sql_cmd = f"update {self.tb_name} set c_text='update';"
        pub_thread = ComThread(self.commsh_pub.executDbSql, args=(sql_cmd,))
        pub_thread.setDaemon(True)

        text = "--step7:发布端更新数据过程中Kill –STOP订阅端数据库进程," \
               "5分钟后订阅端恢复进程 expect:成功--"
        self.log.info(text)
        kill_thread = ComThread(self.com_sub.kill_pid,
                                args=(self.pri_userdb_sub, 'STOP'))
        kill_thread.setDaemon(True)

        start_thread = ComThread(self.com_sub.kill_pid,
                                 args=(self.pri_userdb_sub, 'CONT'))
        start_thread.setDaemon(True)
        pub_thread.start()
        pub_thread.join(60)
        time.sleep(2)
        kill_thread.start()
        kill_thread.join(40)
        time.sleep(300)
        start_thread.start()
        start_thread.join(30)
        pub_result = pub_thread.get_result()
        self.log.info(pub_result)
        sub_result = kill_thread.get_result()
        self.log.info(sub_result)
        sub_result1 = start_thread.get_result()
        self.log.info(sub_result1)
        self.assertIn(self.constant.update_success_msg, pub_result, '执行失败'
                      + text)
        self.assertEqual("", sub_result, '执行失败' + text)
        self.assertEqual("", sub_result1, '执行失败' + text)

        text = "--step8:订阅端查询数据是否更新 expect:数据更新--"
        self.log.info(text)
        sub_result = self.commsh_sub.executDbSql(
            f'''select count(*) from {self.tb_name} where c_text='update';''',
            self.user_param_sub, None, env_path=macro.DB_ENV_PATH_REMOTE)
        self.assertEqual(str(sub_result.splitlines()[-2]).strip(), '40000',
                         '执行失败' + text)

    def tearDown(self):
        text = "--step9:清理环境 expect:成功--"
        self.log.info(text)
        sql_cmd = f"drop subscription if exists {self.subname};"
        drop_sub_result = self.commsh_sub.executDbSql(
            sql_cmd, self.user_param_sub, None,
            env_path=macro.DB_ENV_PATH_REMOTE)
        self.log.info(drop_sub_result)
        sql_cmd = f"drop publication if exists {self.pubname};"
        drop_pub_result = self.commsh_pub.executDbSql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(drop_pub_result)
        sql_cmd = f"drop table if exists {self.tb_name};"
        result_sub = \
            self.commsh_sub.executDbSql(sql_cmd, self.user_param_sub, None,
                                        env_path=macro.DB_ENV_PATH_REMOTE)
        self.log.info(result_sub)
        result_pub = self.commsh_pub.executDbSql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(result_pub)
        cmd = f"mv " \
            f"{os.path.join(self.parent_path_pub, 'pg_hba.conf')} "\
            f"{os.path.join(macro.DB_INSTANCE_PATH, 'pg_hba.conf')} "
        self.log.info(cmd)
        result = self.pri_userdb_pub.sh(cmd).result()
        self.log.info(result)
        cmd = f"mv " \
            f"{os.path.join(self.parent_path_sub, 'pg_hba.conf')} "\
            f"{os.path.join(macro.DB_INSTANCE_PATH_REMOTE, 'pg_hba.conf')} "
        self.log.info(cmd)
        result = self.pri_userdb_sub.sh(cmd).result()
        self.log.info(result)
        result = self.commsh_pub.executeGsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'wal_level={self.wal_level}')
        self.log.info(result)
        pub_result = self.commsh_pub.stopDbCluster(get_detail=True)
        pub_result1 = self.commsh_pub.startDbCluster(get_detail=True)
        self.assertTrue(pub_result, '执行失败' + text)
        self.assertTrue(pub_result1, '执行失败' + text)
        self.assertTrue(result, '执行失败' + text)
        self.assertIn(self.constant.drop_pub_succ_msg, drop_pub_result,
                      '执行失败' + text)
        self.assertIn(self.constant.drop_sub_succ_msg, drop_sub_result,
                      '执行失败' + text)
        self.assertIn(self.constant.DROP_TABLE_SUCCESS, result_pub, '执行失败'
                      + text)
        self.assertIn(self.constant.DROP_TABLE_SUCCESS, result_sub, '执行失败'
                      + text)
        self.log.info(f"-----{os.path.basename(__file__)} end-----")
